Box-board or caddy stock



Dec; 18, 1928. 1,695,837

J. M. ANDREWS BOX BOARD 0R CADDY STOCK Filed Aug. 24, v 1923 him/2 102 Patented Dec. 18, 1928.

-. UNITED STAT JAMES M.

PATENT OFFICE.

mnnws, or BROOKLYN, NEW YORK, Assren'oa 'ro nonnn'r Gun corrrnnr, or new you, N. 1., a conronarron or NEW YORK.

BOX-BOARD I on cann s'rocx.

' Application fled August 24, 1923. Serial R0. 859,129.

interior. and exterior appearance, which has goodbending power-and is resistant to rough treatment. a

Another object of the invention is to provide a stock of this kind which will retain its -p 'shape when made up, and which will provide a container of sanitary and appetizing inte- 1'101'. 3 I 3 Other objects of the invention are to imiprove generally the simplicity and efliciency of such stock or board and to: provide a board of this kind which is durable, economical to j manufacture and handle, and which will not 26 have the Various objections of the stocks pre viously on the market. v I

The inventive features for the accomplishment of these and other objects are disclosed-- herein in connection with an improved stock or board which, briefly stated, comprises an outer portion of kraft or chip or other material of attractive appearance and a suitable body to which is cemented by silicate of soda a layer of news havin a lining of J apanin secured to the news by our paste.

Other objects of the invention will appear inches are given as examples.

as the description proceeds; and while herein details of the invention are described, the

invention is not limited to these, since many and various changes may be made without departing fromi-the scopeof the invention as claimed. 1

In theaccom anying drawing, showing by wa of examp e, two of many possible em- 45, b0 ents of the inventioni Figs.,1 and 2 are much en argedfraginental peresipective views partly in section respectiv y showing the two forms of my invention.

, 'As shown in Fig. 1 m improved form oi inodorous, grease and moisture proof box board or stock for food-preserving containers and other purposes, comprises an outerlayer 5 of kraft for giving" attractive appearance,

a strength and bending power to the stock, re-

Another object of the invention is to pro- I Iterior light to give to the interior of the contic also prevents the stock from stretching,-

sisting punctures, abrasion and other rough treatment, and forming-an attractive back ground for printingcopy. Next comes 'a, layer of laminated chip 6 of suitable caliper cemented by silicate of soda 7 to the kraft, forgiving the desired bulk and caliper tothe stock' in accordance with the caliper ofthe chip.

used. A layer 8 of-smooth, even, bluish-gray news is cemented by silicate of soda 10 to the chip 6 for hiding the unavoidable yellowish dirty color of the chip caused by the silicate.

A lining 11 of smooth, inelastic white substantially transparent or translucent light reflecting non-absorbentgrease and moisture roof J apanin or-glassine: is secured to the news by white flour paste12, for rendering the interior of the container sanitary, keeping food fresh and transmitting and reflecting the color of the news and paste and reflecting ex- .75

tainer abright sanitary appearance and for keeping 1t sanitary. Said-lining being inelasthusholding the container in shape. 7 I Fig. 2 shows a similar grease and moisture proof stock comprising instead of the kraft an outer layer of mfist gray chip 6 forgiving an unusual and attractive appearance and bulk to the stock, to which issecured b silicate of soda 10', a layer of news 8. A ining of'Japaninll' is secured to the'news 8' by white flour paste 12' as described of Fig. 1.'

While the invention is in no way limited to the thickness of the various elements of the stock, the following calipers in fractions of For the stockof Fig. 1

.005- Chlp ..I.. New .018 Japanin .,002 Total adhesives' .004

. Thickness of stock l l .047 i My improved stocks economical to man- "110 ufacture, inodorous, and grease and moischip; and a moisture and grease-proof lining ture proof. I The outer face is of attractive secured to the news.

appearance, and the board has strength and bending power for resisting punctures, 'abraa layer of kraft, a layer of chip cemented to sion and other rough treatment. The silicate the layer of kraft by silicate of soda, a layerof soda is fast setting and easy to handle and of newscemented to the layer of chip by siliis sanitary, and fairly grease and water proof. bate of soda, and a lining of hydrated highly The interior of the stock or board is smooth calendered inelastic paper secured to the to prevent the collecting of dust, and is light layer of news by flour paste having gum reflecting. The stock will not stretch and thus therein. g

holds the container in shape. The interior of 4. In a stock for containers, in combinathe containers, remains sanitary and keeps tion, a body layer of chip, a layer of news food fresh.v The transmitted and reflected cemented to the layer of chip by silicate ot' light of the lining gives tothe interior of the soda, and a translucent moisture and greasecontainer a bright sanitary appearance. proof lining secured to the layer of news by While any suitable light colored adhesive flour paste.

may be used for securing the Japanin to the 5. In a stock for containers, in combinanews', I have found that a white flour paste, tion, a layer of chip, a layerof bluish news having a suitable gum, suchas dextrine, glue, cemented t0 the layer of chip by silicate of 3. In a stock for containers, in combination,

gum arabic or the like incorporated therein to soda, and a lining of hydrated highly calenincrease the grip or adhesiveness of the paste, dered inelastic grease and moisture proof is very suitable, though the invention is not paper secured to the layer of news. so limited. The amount of gum included is h variable depending upon the speed of applition, a layerof chip, a layerof news secured cation. v to the layer of chip, hydrated highlycalen- The term Japanin designates a thoroughly dered inelastic paper having translucent and hydrated, super calendered sulphate or sulgrease and moisture proof qualities for prophite paper having grease proof'and transviding' a lining, and flour paste for securmg parent qualities. I said lining to'the news.

I claim as my invention: 7. In .the process of making paper board 7 1. Astock for containers comprisingabody stock for containers having translucent ]in layer of chip; a layer of news cemented by ing, the step of'concealing discoloration desilicate of soda to the chip; and a translucent fects in the base material, which consists inlining secured to the news by flour paste. interposing a layer of newsbetween the lining 2. A. stock for containers comprising a and the base material. layer of chip a layer of news secured to the JAMES M. ANDREWS.

6. In a stock for containers, "in combina-- 

